From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751706AbdBAOby (ORCPT ); Wed, 1 Feb 2017 09:31:54 -0500 Received: from mail-wm0-f53.google.com ([74.125.82.53]:34716 "EHLO mail-wm0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751637AbdBAObw (ORCPT ); Wed, 1 Feb 2017 09:31:52 -0500 From: Lee Jones To: gregkh@linuxfoundation.org, jslaby@suse.com, linux-serial@vger.kernel.org, dt@kernel.org, devicetree@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@stlinux.com, patrice.chotard@st.com, Lee Jones Subject: [PATCH v2 00/10] serial: st-asc: Allow handling of RTS line Date: Wed, 1 Feb 2017 14:31:35 +0000 Message-Id: <20170201143145.31962-1-lee.jones@linaro.org> X-Mailer: git-send-email 2.9.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When hardware flow-control is disabled, manual toggling of the UART's reset line (RTS) using userland applications (e.g. stty) is not possible, since the ASC IP does not provide this functionality in the same was as some other IPs do. Thus, we have to do this manually. This set ensures the correct Pinctrl groups are configured and obtained for both manual toggling of the RTS line and for the IP to take over the lines when HW flow-control is requested by the user. Lee Jones (10): serial: st-asc: Ignore the parity error bit if 8-bit mode is enabled serial: st-asc: Provide RTS functionality serial: st-asc: Read in all Pinctrl states serial: st-asc: (De)Register GPIOD and swap Pinctrl profiles serial: st-asc: Use generic DT binding for announcing RTS/CTS lines dt-bindings: serial: Update 'uart-has-rtscts' description ARM: dts: STiH410-b2260: Identify the UART RTS line ARM: dts: STiH407-pinctrl: Add Pinctrl group for HW flow-control ARM: dts: STiH407-family: Use new Pinctrl groups ARM: dts: STiH410-b2260: Enable HW flow-control .../devicetree/bindings/serial/serial.txt | 3 +- arch/arm/boot/dts/stih407-family.dtsi | 3 +- arch/arm/boot/dts/stih407-pinctrl.dtsi | 12 ++- arch/arm/boot/dts/stih410-b2260.dts | 5 + drivers/tty/serial/st-asc.c | 101 +++++++++++++++++++-- 5 files changed, 110 insertions(+), 14 deletions(-) -- 2.9.3